University:
Bradley University
Course:
MTH 119 | Calculus With Review B
Academic year:

2020
Views:

371

Pages:

11
Author:

segolhandworked

1) Third side = 2 * Midsegment x + 9 = 2(2x - 3) x + 9 = 4x - 6 -3x = -15 x = 5 2) Third side = 2 * Midsegment x + 29 = 2(x + 19) x + 29 = 2x + 38 -x = 9 x = -9 3) Third side = 2 * Midsegment 16 = 2 * x x = 8 4) K, M, K LP, LR, LQ LV, LU, LT 7) 180 - 46 - 102 = 32° 8) CB, AB, AC VX, WX, WV TU, ST, SU a) PQ = (1/2)(42) = 21b) YZ = 2(12) = 24c) R2 = (1/2)(42) = 21 a) 7, 5, 4b) 8, 2, 8c) 11, 12, 9d) 4, 8e) 5, 4, 7 a) 4 + 7 > 8b) 8 + 2 > 8c) 2, 15, 16d) 4 + 8 > 7e) 15 + 16 > 2 a) IR = (2/3)CRb) S1 = (2/3)SBc) IA = (1/3)TA Formulas: CB = (1/3)BC BC = (1/3)AC Stem-Leaf: 5 | 3, 6 6 | 3, 8, 8, 9 7 | 3, 4, 4, 6, 6 8 | 1, 1, 1, 2 Mean: 53 + 63 + 68 + 73 + 74 + 74 + 76 + 78 + 66 + 81 / 10 = 643 / 10 = 71.4 Median: 74 Mode: 74, 81 19. a) P(Blue) = 4/14 = 2/7 P(Red) = 2/14 = 1/7 P(Blue, Red) = 2/7 * 1/7 = 2/49 b) P(Blue) = 4/14 = 2/7 P(Red) = 3/13 P(Blue, Red) = 2/7 * 3/13 = 6/91 13) PS = SR 6y - 8 = 8y - 7 -2y = 1 y = -1/2 14) ∠1 + ∠2 = 34° x + x = 34 2x = 34 x = 17° 15) a) 9 and 5 9 - 5 = 4 9 + 5 = 14 b) 6 and 9 9 - 6 = 3 9 + 6 = 15 c) 11 and 11 11 - 11 = 0 11 + 11 = 22 d) 6 and 10 10 - 6 = 4 10 + 6 = 16 16) a) RT = Altitude b) UQ = Angle bisector c) SP = Median 17) ET = TG GF = TF + TG GF = 63 + 63 GF = 126 18) ME = EN NM = EM + EN NM = 10 + 10 NM = 20